WHO. (1994). Contraceptive method mix: Guidelines for policy and service delivery. Genève: WHO.
Chicago ZitierstilWHO. Contraceptive Method Mix: Guidelines for Policy and Service Delivery. Genève: WHO, 1994.
MLA ZitierstilWHO. Contraceptive Method Mix: Guidelines for Policy and Service Delivery. Genève: WHO, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.